Shop › MAGPUL M-LOK ALUM RAIL SECT 9 SLOTS MAGPUL M-LOK ALUM RAIL SECT 9 SLOTS $23.70 Magpul Industries Rail Section, Fits M-LOK Hand Guard, Aluminum, 9 Slots MAG583-BLK Quantity: Add To Cart Added! Magpul Industries Rail Section, Fits M-LOK Hand Guard, Aluminum, 9 Slots MAG583-BLK